General
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Target
2b70ed1d47f2a5d626d16ab5f355c34b_JaffaCakes118
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Size
368KB
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Sample
241009-fvd2vsvhrf
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MD5
2b70ed1d47f2a5d626d16ab5f355c34b
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SHA1
cc903de26a6f4dccfb7e216e84c79c0039ea7492
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SHA256
055f455f632bf72f2694befec51708ebfb909f25d59c388e0775af15e86459d1
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SHA512
696fdbe87bc478cf85717c4952787a1c4ea0302fd8270b5f04167fed9dcc9c81dc967422c8093870a67ff1ec69ae5bd3506573e1ea680930ec0d165117ef70db
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SSDEEP
6144:q/VDu6UsyDUOxfDiyQhbw4tRN7eD7Lct/jG2kOREwMunfHAbxwcLNT:6Du6UsibiPbNt370Lcta9OSCnfPuNT
Static task
static1
Behavioral task
behavioral1
Sample
2b70ed1d47f2a5d626d16ab5f355c34b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2b70ed1d47f2a5d626d16ab5f355c34b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+uwecq.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D618AEDF63A56382
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D618AEDF63A56382
http://yyre45dbvn2nhbefbmh.begumvelic.at/D618AEDF63A56382
http://xlowfznrg4wf7dli.ONION/D618AEDF63A56382
Extracted
C:\Program Files\7-Zip\Lang\_ReCoVeRy_+xxexf.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/7069B3352A0BFCA
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/7069B3352A0BFCA
http://yyre45dbvn2nhbefbmh.begumvelic.at/7069B3352A0BFCA
http://xlowfznrg4wf7dli.ONION/7069B3352A0BFCA
Targets
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Target
2b70ed1d47f2a5d626d16ab5f355c34b_JaffaCakes118
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Size
368KB
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MD5
2b70ed1d47f2a5d626d16ab5f355c34b
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SHA1
cc903de26a6f4dccfb7e216e84c79c0039ea7492
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SHA256
055f455f632bf72f2694befec51708ebfb909f25d59c388e0775af15e86459d1
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SHA512
696fdbe87bc478cf85717c4952787a1c4ea0302fd8270b5f04167fed9dcc9c81dc967422c8093870a67ff1ec69ae5bd3506573e1ea680930ec0d165117ef70db
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SSDEEP
6144:q/VDu6UsyDUOxfDiyQhbw4tRN7eD7Lct/jG2kOREwMunfHAbxwcLNT:6Du6UsibiPbNt370Lcta9OSCnfPuNT
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (434) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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Adds Run key to start application
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1